| X射线线扫描安全检查设备实时信号处理 |
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| 引用本文： | 王利平,陈钱,顾国华,张保民.X射线线扫描安全检查设备实时信号处理[J].光电子技术,2006,26(3):188-191. |
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| 作者姓名： | 王利平 陈钱 顾国华 张保民 |
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| 作者单位： | 南京理工大学电子工程与光电技术学院,南京,210094 |
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| 摘 要： | 针对X射线在成像过程中存在的非均匀性，利用两点校正法设计了用于X射线安全检查设备的增益和偏移补偿电路；完成了线扫描X射线安全检查设备的数据信号处理硬件模块，给出了电路结构框图；电路采用DSP＋CPLD的结构，在模拟部分和数字部分两次校正，得到了校正前后的处理结果，实现了工程应用。
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| 关 键 词： | X射线 非均匀性 |
| 文章编号： | 1005-488X(2006)03-0188-04 |
| 收稿时间： | 2006-03-14 |
| 修稿时间： | 2006年3月14日 |
Real Time Signal Processing with Checking Safely Equipment of X-ray Line Scanning |
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| WANG Li-ping,CHEN Qian,GU Guo-hua,ZHANG Bao-min.Real Time Signal Processing with Checking Safely Equipment of X-ray Line Scanning[J].Optoelectronic Technology,2006,26(3):188-191. |
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| Authors: | WANG Li-ping CHEN Qian GU Guo-hua ZHANG Bao-min |
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| Affiliation: | College of Electronic Engineering and Optoelectronic Technique, NUST , Nanjing , 210094, CHN |
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| Abstract: | The gain and offset circuit are designed using the two-point correction method, aiming at the non-uniformity in the process of X-ray imaging. The module of data signal processing with checking safely equipment of X-ray line scanning is completed. The processing effect has been gained, because of the circuit structure of DSP+CPLD, as well as, the realization of engineering applications through two-time correction of analog and digital modules. |
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| Keywords: | DSP |
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